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Physics · May / June 2022 · Paper 11 · Question 19

5054General properties of waves

A wave in the sea collides with a cliff. A crest of the wave hits the cliff once every 6.0 s. The horizontal distance between a crest and the adjacent trough of the wave is 4.5 m. What is the speed of the wave?

  1. A0.67 m / s
  2. B0.75 m / s
  3. C1.3 m / s
  4. D1.5 m / s

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Correct answer: D. 1.5 m / s

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